Home / 13,580.48-20,365.72-4,693.56

Finding the Fourth Proportional to 13,580.48, 20,365.72 and 4,693.56

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Solution

The fourth proportional to 13,580.48, 20,365.72 and 4,693.56 is: 7,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580.48 : 20,365.72 = 4,693.56 : x
  2. Step 2: Convert to fraction form
    13,580.48/20,365.72 = 4,693.56/x
  3. Step 3: Cross multiply
    13,580.48x = 20,365.72 × 4,693.56
  4. Step 4: Simplify right side
    13,580.48x = 95,587,705.30
  5. Step 5: Solve for x
    x = 95,587,705.30/13,580.48
  6. Step 6: Final answer
    x = 7,038.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.